173348081 has 2 divisors, whose sum is σ = 173348082. Its totient is φ = 173348080.

The previous prime is 173348069. The next prime is 173348083. The reversal of 173348081 is 180843371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147501025 + 25847056 = 12145^2 + 5084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173348081 is a prime.

It is a super-2 number, since 2×173348081² = 60099114372765122, which contains 22 as substring.

Together with 173348083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (173348083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86674040 + 86674041.

It is an arithmetic number, because the mean of its divisors is an integer number (86674041).

Almost surely, 2^173348081 is an apocalyptic number.

It is an amenable number.

173348081 is a deficient number, since it is larger than the sum of its proper divisors (1).

173348081 is an equidigital number, since it uses as much as digits as its factorization.

173348081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 173348081 is about 13166.1718430226. The cubic root of 173348081 is about 557.5789196996.

The spelling of 173348081 in words is "one hundred seventy-three million, three hundred forty-eight thousand, eighty-one".